The Best Battery Cases to Put an End to Your iPhone-Charging Anxiety

A battery case will reduce the number of trips you make to a power outlet with your iPhone, and it'll eliminate the need to buy a battery pack for most users. The only downside of using one is that it adds significant bulk to your iPhone.

It's important to note that while Apple's latest iPhones are waterproof, the battery cases available today are not. As a result, you should be really careful about avoiding contact between your device and liquids.

This ZeroLemon offering is the best option for iPhone X users. With a 4,000 mAh battery pack on board, it'll easily double the already solid battery life of the iPhone X. The case is 0nly available in black.

We like that the case has support for wireless charging, as well as a USB-C connector for wired charging and syncing data. A variant of the case without wireless charging support is available for $10 less.

The mophie juice pack wireless case has a built-in 2,420 mAh battery pack, which will add up to 60% battery capacity to your big iPhone. A great feature of this case is that it supports wireless charging. The iPhone 7 Plus lacks wireless charging, so the case gives this model an added feature (the 8 Plus already comes with wireless charging).

The case has handy LED lights on its back to check the status of its battery. You can order the mophie juice pack wireless in a multitude of colors, like black, gold, pink, red, and blue.

The iPhone 8-compatible variant of the mophie juice pack wireless has enough battery capacity to fully charge the compact smartphone. Like the iPhone 7/8 Plus version we just mentioned, the accessory also supports Qi wireless charging.

You can choose from five distinct colors — black, gold, pink, red, and blue. We only wish the case used Lightning or USB-C port for charging and syncing data — its microUSB connector feels a bit dated in 2018.

Apple's own smart battery case is the best option for iPhone 6/6s and iPhone 7 users. Available in black, white, and red, the accessory can add another day of power-outlet independence to your phone. You will be able to track the power reserve of the case directly from your iPhone's lock screen and notification center.

We like the seamlessly snug fit of the silicone case and the fact that it utilizes an Apple Lightning connector for charging. The case is also compatible with most iPhone docks.

You can still buy a brand-new iPhone 6 Plus from Apple and this mophie offering is the best battery case for it. It has a 2,600 mAh battery pack on board, which will almost double the device's battery life. Like all mophie cases, the juice pack has an LED-light battery indicator on its back.

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Stefan VazharovSenior Technology EditorStefan is the senior technology editor for BestProducts.com, where he’s been covering the tech industry and testing the latest gadgets since 2015; He previously covered tech products for GSMArena.com and his work can also be found on Popular Mechanics.